/* ClassFlow brand system, based on the WhiteExam colour palette. */
:root {
    --ink: #17324d;
    --muted: #5a6f84;
    --paper: #f4f7fb;
    --line: #d7deea;
    --navy: #0f6d5f;
    --accent: #0f6d5f;
    --accent-dark: #0b554a;
    --accent-soft: #e8f6ef;
    --accent-border: #9fcfbe;
    --accent-strong: #074c42;
    --info: #2563eb;
    --info-soft: #eff6ff;
    --shadow: 0 12px 32px rgba(19, 50, 77, 0.08);
}

.brand {
    white-space: nowrap;
}

.brand:focus-visible,
.topbar nav a:focus-visible {
    border-radius: 8px;
    outline: 3px solid rgba(15, 109, 95, 0.28);
    outline-offset: 4px;
}

.brand img {
    display: block;
    width: 41px;
    height: 41px;
}

.brand .brand-wordmark {
    display: grid;
    width: auto;
    height: auto;
    gap: 0;
    background: transparent;
    color: var(--ink);
    border-radius: 0;
    letter-spacing: 0;
    line-height: 1;
}

.brand-wordmark strong {
    font-size: 18px;
    letter-spacing: -0.025em;
}

.brand-wordmark strong em {
    color: var(--accent);
    font-style: normal;
}

.brand-wordmark small {
    margin-top: 4px;
    color: var(--muted);
    font-size: 8px;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.login-card button,
.primary {
    background: var(--accent);
    border-color: var(--accent);
}

.login-card button:hover,
.primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.login-page {
    background: radial-gradient(circle at top left, #d9f0e8 0, transparent 36%), linear-gradient(180deg, #fbfdfc 0%, var(--paper) 100%);
}

/* Product-brand surfaces. Status, subject and chart colours deliberately remain semantic. */
.topbar nav a.active,
.topbar nav a:hover,
.login-card > a,
.toolbar summary,
.room-quick-actions a {
    color: var(--accent);
}

.portal-hero,
.staffing-hero,
.phase-one-hero {
    background: linear-gradient(125deg, var(--accent-strong), var(--accent) 68%, #24977f);
    box-shadow: 0 20px 55px rgba(11, 85, 74, 0.18);
}

.portal-hero p,
.staffing-hero p,
.phase-one-hero p {
    color: #d9f0e8;
}

.portal-primary {
    color: var(--accent-strong);
}

.phase-link,
.ai-mark,
.rule-mark,
.curriculum-filters nav a.active {
    background: var(--accent);
    color: #fff;
}

.phase-number,
.section-title > div > span,
.module-icon,
.setup-link,
.portal-info {
    background: var(--accent-soft);
    border-color: var(--accent-border);
    color: var(--accent-strong);
}

.module-grid > a:hover {
    border-color: var(--accent-border);
}

.module-grid > a.active {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--accent-strong), var(--accent));
    box-shadow: 0 10px 24px rgba(15, 109, 95, 0.23);
}

.module-grid > a.active small {
    color: #d9f0e8;
}

.next-step,
.progression-assignment-toolbar {
    border-color: var(--accent-border);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.next-step a {
    color: var(--accent);
}

.class-selector a.active,
.grade-card.active,
.additional-grades .active,
.scenario-tabs a.active,
.student-grade-card.active,
.student-grade-card:has(input:checked),
.progression-stat-card.active,
.continuation-grade-groups a.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
    box-shadow: 0 0 0 2px rgba(15, 109, 95, 0.16);
}

.grade-card:hover {
    border-color: var(--accent-border);
    box-shadow: 0 8px 20px rgba(15, 109, 95, 0.1);
}

.grade-card small strong,
.quick-edit-toggle,
.quick-edit-toggle:hover,
.quick-edit-toggle[aria-expanded=true] {
    color: var(--accent-strong);
}

.quarter-chip.active,
.curriculum-quarter-options input:checked + span,
.class-option-choice > input:checked + span {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.quick-edit-toggle:hover,
.quick-edit-toggle[aria-expanded=true] {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.quick-entry-form {
    border-left-color: var(--accent);
}

.curriculum-quarter-options input:focus-visible + span,
.class-option-choice > input:focus-visible + span,
.pp-subject > summary:focus-visible,
.pp-method > summary:focus-visible {
    outline-color: var(--accent);
}

.room-edit-toggle[aria-expanded=true] {
    border-color: var(--accent-border);
    background: var(--accent-soft);
}

.primary,
.staffing-page .primary,
.phase-one-shell .primary {
    border-color: var(--accent) !important;
    background: var(--accent) !important;
    color: #fff !important;
}

.primary:hover,
.staffing-page .primary:hover,
.phase-one-shell .primary:hover {
    border-color: var(--accent-dark) !important;
    background: var(--accent-dark) !important;
}

@media (max-width: 720px) {
    .topbar .brand-wordmark {
        display: none;
    }

    .login-shell > .brand .brand-wordmark {
        display: grid;
    }

    .login-shell > .brand .brand-wordmark strong {
        display: block;
    }
}